修改到此吧

src/components/script.js

@@ -123,6 +123,8 @@ function createGeo(geoJson) {
         else if (info.geometry.type === 'Polygon') info.geometry.coordinates.forEach((j) => areaGroup.add(createShapeWithCoord(j, materials)))
 
         if (info.properties.adcode === 330000) {
+            console.log(info.properties.name, areaGroup);
+
             // 获取区域的边界框
             const box = new THREE.Box3().setFromObject(areaGroup);
             const minX = box.min.x;
@@ -171,7 +173,48 @@ function createGeo(geoJson) {
         }
 
         if (info.properties.adcode > 330000 && info.properties.adcode < 340000) {
-            console.log(info.properties.name);
+            console.log(info.properties.name, areaGroup);
+            const box = new THREE.Box3().setFromObject(areaGroup);
+            const minX = box.min.x;
+            const maxX = box.max.x;
+            const minY = box.min.y;
+            const maxY = box.max.y;
+            const zhejiangTexture = new THREE.TextureLoader().load(zhejiang);
+
+            areaGroup.children.forEach(mesh => {
+                if (mesh.geometry instanceof THREE.ExtrudeGeometry) {
+                    const geometry = mesh.geometry;
+                    const positions = geometry.attributes.position.array;
+                    const uvs = new Float32Array(positions.length / 3 * 2);
+
+                    // 计算UV坐标
+                    for (let i = 0; i < positions.length; i += 3) {
+                        const x = positions[i];
+                        const y = positions[i + 1];
+                        uvs[i / 3 * 2] = (x - minX) / (maxX - minX);
+                        uvs[i / 3 * 2 + 1] = (y - minY) / (maxY - minY);
+                    }
+
+                    // 设置UV属性
+                    geometry.setAttribute('uv', new THREE.BufferAttribute(uvs, 2));
+
+                    // 创建新的材质数组，包含原有材质和顶面材质
+                    const materials = [
+                        new THREE.MeshStandardMaterial({
+                            map: zhejiangTexture,
+                            metalness: 0.5,
+                            roughness: 0.5
+                        }),
+                        new THREE.MeshBasicMaterial({
+                            map: texture,
+                            color: 0xffffff * Math.random()
+                        })
+                    ];
+
+                    // 更新网格的材质
+                    mesh.material = materials;
+                }
+            });
 
         }
         const div = document.createElement('div')